<template>
  <div class="login">
    <el-form ref="loginRef" :model="loginForm" :rules="loginRules" class="login-form">
      <h3 class="title">任务中心后台管理系统</h3>



      <el-form-item prop="username">
        <el-input
          v-model="loginForm.username"
          type="text"
          size="large"
          auto-complete="off"
          placeholder="账号"
        >
          <template #prefix><svg-icon icon-class="user" class="el-input__icon input-icon" /></template>
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="loginForm.password"
          type="password"
          size="large"
          auto-complete="off"
          placeholder="密码"
          @keyup.enter="handleLogin"
        >
          <template #prefix><svg-icon icon-class="password" class="el-input__icon input-icon" /></template>
        </el-input>
      </el-form-item>
      <el-form-item prop="code" v-if="captchaEnabled">
        <el-input
          v-model="loginForm.code"
          size="large"
          auto-complete="off"
          placeholder="验证码"
          style="width: 63%"
          @keyup.enter="handleLogin"
        >
          <template #prefix><svg-icon icon-class="validCode" class="el-input__icon input-icon" /></template>
        </el-input>
        <div class="login-code">
          <img :src="codeUrl" @click="getCode" class="login-code-img"/>
        </div>
      </el-form-item>
      <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>
      <el-form-item style="width:100%;">
        <el-button
          :loading="loading"
          size="large"
          type="primary"
          style="width:100%;"
          @click.prevent="handleLogin"
        >
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
        <div style="float: right;" v-if="register">
          <router-link class="link-type" :to="'/register'">立即注册</router-link>
        </div>
      </el-form-item>
    </el-form>

    <el-dialog title="请修改密码！！！"  :close-on-click-modal="false" :close-on-press-escape="false" :show-close="false">
      <el-form ref="updateForm" v-model="open" :rules="updateRules" @submit.native.prevent>
        <el-form-item label="新密码" prop="newPassword">
          <el-input type="password" v-model="updateForm.newPassword" :clearable="true" show-password
                    placeholder="请输入新密码" clearable auto-complete="off" @keyup.enter.native="updatePwd"></el-input>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click.native.prevent="updatePwd">确 定</el-button>
      </div>
    </el-dialog>



    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © 2018-2024 ruoyi.vip All Rights Reserved.</span>
    </div>
  </div>
</template>

<script setup>
import { getCodeImg, getInfo } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from "@/utils/jsencrypt";
import useUserStore from '@/store/modules/user'
import {updateUserPwd} from "@/api/system/user";
import { jwtDecode } from 'jwt-decode';
import { getToken } from "@/utils/auth";
import {ref} from "vue";
import axios from 'axios';

const userStore = useUserStore()
const route = useRoute();
const router = useRouter();
const { proxy } = getCurrentInstance();
const open = ref(true);
const userIp = ref(null);

const loginForm = ref({
  username: "",
  password: "",
  rememberMe: false,
  code: "",
  uuid: ""
});

const loginInfo = ref({
  constraint: false
});

const updateForm = ref({
  newPassword: ""
});

const updateRules = {
  newPassword: [
      { required: true, trigger: "blur", message: "新密码不能为空" },
    {
      pattern: /^[a-zA-Z][a-zA-Z0-9!@#$%^&*()_+]{6,18}$/,
      message: '新密码以字母开头，长度在6~18之间，允许字母数字特殊字符',
      trigger: "blur"
    }
    ],
};


const loginRules = {
  username: [{ required: true, trigger: "blur", message: "请输入您的账号" }],
  password: [{ required: true, trigger: "blur", message: "请输入您的密码" }],
  code: [{ required: true, trigger: "change", message: "请输入验证码" }]
};

const codeUrl = ref("");
const loading = ref(false);
// 验证码开关
const captchaEnabled = ref(true);
// 注册开关
const register = ref(false);
const redirect = ref(undefined);

watch(route, (newRoute) => {
    redirect.value = newRoute.query && newRoute.query.redirect;
}, { immediate: true });

function handleLogin() {
  proxy.$refs.loginRef.validate(valid => {
    if (valid) {
      loading.value = true;
      // 勾选了需要记住密码设置在 cookie 中设置记住用户名和密码
      if (loginForm.value.rememberMe) {
        Cookies.set("username", loginForm.value.username, { expires: 30 });
        Cookies.set("password", encrypt(loginForm.value.password), { expires: 30 });
        Cookies.set("rememberMe", loginForm.value.rememberMe, { expires: 30 });
      } else {
        // 否则移除
        Cookies.remove("username");
        Cookies.remove("password");
        Cookies.remove("rememberMe");
      }


      //一开始的方法
      // 调用action的登录方法
      userStore.login(loginForm.value).then(() => {
        const query = route.query;
        const otherQueryParams = Object.keys(query).reduce((acc, cur) => {
          if (cur !== "redirect") {
            acc[cur] = query[cur];
          }
          return acc;
        }, {});

        const decodedToken = jwtDecode(getToken())
        if (!decodedToken.constraint){
          router.push({ path: redirect.value || "/", query: otherQueryParams });
        }else {
          // 否则设置constraint值为true，使页面不能跳转到主页面,强制修改密码
          localStorage.setItem('constraint', true)
          router.push({path: "resetPwdDialog"})
        }

      }).catch(() => {
        loading.value = false;
        // 重新获取验证码
        if (captchaEnabled.value) {
          getCode();
        }
      });
    }
  });
}

// 新增修改方法
function updatePwd() {
  // Assuming validate is a method available on the form component
  if (updateForm.value) {
    updateForm.value.validate((valid) => {
      if (valid) {
        updateUserPwd("", updateForm.value.newPassword, true)
            .then(response => {
              localStorage.setItem('constraint', false);
              modal.msgSuccess("修改成功");
              router.push({path: redirect.value || "/"}).catch(() => {
              });
            })
            .catch((e) => {
              console.info(e);
            });
      }
    });
  }
}



function getCode() {
  getCodeImg().then(res => {
    captchaEnabled.value = res.captchaEnabled === undefined ? true : res.captchaEnabled;
    if (captchaEnabled.value) {
      codeUrl.value = "data:image/gif;base64," + res.img;
      loginForm.value.uuid = res.uuid;
    }
  });
}

function getCookie() {
  const username = Cookies.get("username");
  const password = Cookies.get("password");
  const rememberMe = Cookies.get("rememberMe");
  loginForm.value = {
    username: username === undefined ? loginForm.value.username : username,
    password: password === undefined ? loginForm.value.password : decrypt(password),
    rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
  };
}

async function fetchIP() {
  try {
     await axios.get('https://api.ipify.org?format=json')
        .then(data => {
          userIp.value = data.data.ip
          console.log(userIp.value)
    }); // 替换为你的后端API地址
    // console.log(responseIpInfo)
    // console.log(responseIpInfo.data)
    // console.log(responseIpInfo.data.ip)
    // userIp.value = responseIpInfo.data.ip; // 假设响应数据是 { ip: '...' } 结构
  } catch (error) {
    userIp.value = '获取IP失败';
    console.error('Error fetching IP:', error);
  }
}


fetchIP()
getCode();
getCookie();
</script>

<style lang='scss' scoped>
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/images/login-background.jpg");
  background-size: cover;
}
.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 25px 25px 5px 25px;
  .el-input {
    height: 40px;
    input {
      height: 40px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 0px;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 40px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.login-code-img {
  height: 40px;
  padding-left: 12px;
}
</style>
